Car-axle



(Nq Model.)

W.. HAYES.

GAR AXLB. No' 395901'4 Patented Jan. 8, 1889,

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UNITED STATES PATENT OFFICEo lVILLIAM HAYES, OF LOS ANGELES, CALIFORNIA.

CAR-AXLE.

SPECIFICATION forming' part of Letters Patent No. 395,901, dated January 8, 1889.

Application led May 18, 1888. Serial No. 274,288. (No model.)

To all whom, it may concern:

Be it known that I, WILLIAM HAYES, a citizen ot' the United States, residing at Los Angeles, in the county ot' Los Angeles and State ot California, have invented a new and useful Improvement in Car-Axles, of which the following is a specification. y

My invention relates tothe class of divided car-axles adapted to allow the wheels tixed thereon to'revolve independently to avoid the trietion ol the wheels on the rails in running around curves.

The object ot' my invention is to devise a simple coupling whereby the divided axle may be secured together, and whereby the wearof the several parts will. be so compensated that the utility ol the axle will not be impaired thereby; also to avoid the necessity of oiling and attention.

)Iy invention comprises a hub fixed upon the severed end ot' one section of the divided axle and inclosed within a case fixed upon the severed end. of the other section of the divided axle and inelosing the hub, leaving on each side of the hub, between it and the ease, an annular chamber, the cross-section. of lwhich tapers from the inside ot' the annular chamber toward the periphery thereof-that is to say, the walls ot' the annular chamber converge, so that. it' they were extended they would come together. 'ithin these chambers are placed loose bodies, preferablyA spheres, which are larger in cross-section than the cross-section ot the outer edge or periphery ot' the annular chamber. 'hen the axle revolves, the loose bodies are thrownoutward by the Centrifugal force, thus wedging in between the hub and case and preserving contact at all times when the axle is revolving, thus preventing any slack at the joint.

)ly invention will. be more t'ully understood by the accompanying drawings,'which illustrate a caraxle and attachments embodying the principle oli" my invention.

Figure l is a longitudinal section of a caraxle embodying my invention. Fig. 2 is an elevation ot' the hub I use. Eig. 3 is a plan of the same. Fig. J. is a view looking down into that half of the case which is shrunk upon the severed end ot' one section of the axle. Fig. is a plan view of the outside of the case, the axle and sleeve I being cut at the point indicated by the line X X, Fig. l.

A A is the axle divided as at l.

(l C are the two sections of the case secured together by rivets D, to form the outer walls of the chamber E, in which the loose bodies F Gr are placed.

It is obvious that various means can be dcvised for carrying out my invention, and I do not wish to be strictly limited to the exact devices shown inthe drawings, as the principle ot' my invention consists in the use of loose bodies confined in chambers, the cross-section ot which, taken on line of the axle, tapers ontward from the axle, located upon opposite sides of a hub fixed upon one of the severed ends of the axle and surrounded by a case fixed upon the other severed end of the axle, whereby the centrifugal force induced by the rotation of the axle projects the loose bodies into the narrower portion of the chamber and preserves contact between the hub and the case.

The device shown in the drawings is adapted to be put together in the following manner: That half of the ease marked C is shrunk upon the severed end A, which is then placed erect with the open end of the case C uppermost. The balls E and G are then placed in the open end of the case, and are held from rolling down into the center of the case by the annular rib II. The other portion of the axle is now placed erect, with the severed end A upward, and the half of the case marked C is placed upon the axle and allowed to slip down until the sleeve I rests upon the carwheel J. rlhe hub L is then shrunk upon the severed end of this section of the axle, and the balls I? G are placed in position in the ease C in the same manner as in the other case, being held by the rib H from rolling down against the axle. The case is then raised until the balls strike against the hub, as shown in Fig. l, and is temporarily clamped there. Then while the case is in that position its section A of the axle is turned upside down and the hub inserted into the other half, (lof the case. The :flanges M of the two halves of the case are then secured together with hot rivets, and the axle is ready for use. Y

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